Airgun

   A rifle or pistol that uses compressed air or carbon dioxide to discharge lead pellets.

   Barrel

   The tube of a gun.

   Chamber

   The rear portion of the gun barrel into which a cartridge is inserted for firing.

   Magazine

   A metal receptacle for a number of cartridges which is inserted into a weapon and which must be removed when empty and replaced.

   Pistol

   A short firearm intended to be held and fired with one hand.

   Primer

   The explosive which sparks the gunpowder, which in turn propels the projectile.

   Target

   A board marked with concentric circles which is aimed at in shooting events.

   Trigger

   In shooting, a small projecting tongue which when pressed by the finger liberates the mechanism and discharges the weapon.

   Fencing

   Blade

   The flat cutting part of a sword.

   Epee

   A thrusting sword descended from the duelling sword, similar in length to a foil but heavier, with a larger guard and a much stiffer blade.

   Grip

   The handle of a sword; also called the "hilt".

   Guard

   The perpendicular part of a sword between the blade and handle that protects the duelling hand.

   Point

   The end of the blade, which must touch the opponent's target area to score a point in fencing.

   Hilt

   The handle of a sword; also called the "grip".

   Swimming

   Goggles

   Used to protect the eyes and improve visibility underwater

   Lap card

   A card displayed by a turn judge at each end of a lane to inform swimmers in the longer races how many laps remain.

   Nose clip

   A small clip of hard plastic or of wire with a thin rubber coating, used to stop water from entering the nose during underwater movements.

   Starting blocks

   Swim cap

   Used to keep hair clear of eyes.

   Swim suit

   Touch pad

   The pad at the end of each lane in the pool where a swimmer's time is registered and sent electronically to the timing system.

   Equestrian

   Blinkers

   The flaps on a bridle which stop a horse from seeing backwards or sideways.

   Breeches

   Trousers worn specifically for riding.

   Bridle

   A harness that fits around a horse's head.

   Fence

   In the riding discipline, a vertical obstacle usually no higher than 1.97 metres but involving substantial width, constructed of colourful poles, planks, hedges, fake stone or brick, or flowers.

   Gate

   A vertical fence used in riding, made with planks, balustrades, gates or other items, to present a solid obstacle.

   Obstacle

   An object a horse must clear to complete the course, such as a fence, gate or water jump.

   Oxer

   A single fence consisting of two elements which make a spread jump, such as parallel oxers or triple bars.

   Parallel oxer

   An obstacle featuring front and back rails of equal height set wide apart to produce a spread, creating a difficult jump.

   Rail

   In the riding discipline, a pole which makes up a part of some obstacles.

   Saddle

   Spur

   A pointed device attached to a rider's boot heel, used to encourage a horse.

   Triple bar

   A relatively easy jump in the riding discipline featuring three sets of rails at varying heights that produce a spread.

   Vertical

   In the riding discipline, an obstacle which is difficult to jump because of its height.

   Vertical fence

   A straight up-and-down fence without width, creating a relatively difficult obstacle in the riding discipline.

   Water jump

   An obstacle requiring a horse to jump over a wide expanse of water, usually with a low hedge or fence at the leading edge.

   Shoes

Credit: IOC

For further info., please visit http://www.olympic.org/uk/sports/programme/disciplines_uk.asp?DiscCode=MP.